<template>
  <div class="animated-background">
    <div class="background-masker header-top"></div>
    <div class="background-masker header-left"></div>
    <div class="background-masker header-right"></div>
    <div class="background-masker header-bottom"></div>
    <div class="background-masker subheader-left"></div>
    <div class="background-masker subheader-right"></div>
    <div class="background-masker subheader-bottom"></div>
  </div>
</template>

<script>
export default {
}
</script>

<style scoped>
.timeline-item {
      background: #fff;
      border: 1px solid;
      border-color: #e5e6e9 #dfe0e4 #d0d1d5;
      border-radius: 3px;
      padding: 12px;
      margin: 0 auto;
      max-width: 472px;
      min-height: 200px;
    }
    @keyframes placeHolderShimmer {
      0% {
        background-position: -468px 0
      }
      100% {
        background-position: 468px 0
      }
    }
    .animated-background {
      left:20px;
      animation-duration: 1s;
      animation-fill-mode: forwards;
      animation-iteration-count: infinite;
      animation-name: placeHolderShimmer;
      animation-timing-function: linear;
      background: #f6f7f8;
      background: linear-gradient(to right, #eeeeee 8%, #dddddd 18%, #eeeeee 33%);
      background-size: 800px 104px;
      height: 40px;
      position: relative;
    }
    .background-masker {
      background: #fff;
      position: absolute;
    }
    .background-masker.header-top,
    .background-masker.header-bottom,
    .background-masker.subheader-bottom {
      top: 0;
      left: 40px;
      right: 0;
      height: 10px;
    }
    .background-masker.header-left,
    .background-masker.subheader-left,
    .background-masker.header-right,
    .background-masker.subheader-right {
      top: 10px;
      left: 40px;
      height: 8px;
      width: 10px;
    }
    .background-masker.header-bottom {
      top: 18px;
      height: 6px;
    }
    .background-masker.subheader-left,
    .background-masker.subheader-right {
      top: 24px;
      height: 6px;
    }
    .background-masker.header-right,
    .background-masker.subheader-right {
      width: auto;
      left: 300px;
      right: 0;
    }
    .background-masker.subheader-right {
      left: 230px;
    }
    .background-masker.subheader-bottom {
      top: 30px;
      height: 10px;
    }
    .background-masker.content-top,
    .background-masker.content-second-line,
    .background-masker.content-third-line,
    .background-masker.content-second-end,
    .background-masker.content-third-end,
    .background-masker.content-first-end {
      top: 40px;
      left: 0;
      right: 0;
      height: 6px;
    }
    .background-masker.content-top {
      height: 20px;
    }
    .background-masker.content-first-end,
    .background-masker.content-second-end,
    .background-masker.content-third-end {
      width: auto;
      left: 380px;
      right: 0;
      top: 60px;
      height: 8px;
    }
    .background-masker.content-second-line {
      top: 68px;
    }
    .background-masker.content-second-end {
      left: 420px;
      top: 74px;
    }
    .background-masker.content-third-line {
      top: 82px;
    }
    .background-masker.content-third-end {
      left: 300px;
      top: 88px;
    }
</style>
